Toshiba 32SW9UA, Service Manual

Page: 13 / 123

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GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
ADJUSTMENT PROCEDURE
1) Select COLS in the sub data adjustment mode.
2) With TP-PB, set the level of color bar to 0.54
±
0.05
V(p-p).
1) Select PCNT in the sub data adjustment mode.
2) With TP-Y, make adjustment so that the amplitude of
sub screen (right image) coincides with that of main
screen (left image).
1) Select PCOLC in the sub data adjustment mode.
2) With TP-PB, make adjustment so that the amplitude
of sub screen (right image) coincides with that of main
screen (left image).
1) Select PCOLS in the sub data adjustment mode.
2) With TP-PB, make adjustment so that the amplitude
of sub screen (right image) coincides with that of main
screen (left image).
ADJUSTING ITEMS
AND POINTS
Sub color adjustment
SECAM
(COLS)
DW sub screen contrast
adjustment
(PCNT)
DW sub screen color ad-
justment
(PCOLC)
DW sub screen color ad-
justment
(PCOLS)
V/C system adjustment (Chassis adjusment)
No.
5
6
7
8
REMARKS
E-2ch
SECAM color bar signal
DYNAMIC
J-2ch for both main and sub
screens
Sub brightness signal
DYNAMIC
J-2ch for both main and sub
screens
Sub brightness signal
DYNAMIC
E-2ch for both main and
sub screens
SECAM color bar signal
DYNAMIC
ADJUSTMENT PROCEDURE
Conditions: E-12ch, Screen size: WIDE, Image mode:
DYNAMIC
Adjustment: After presetting R950 sub VR to the center
of VR, adjust the screen center to the best
focus quality with T461 focus VR.
Conditions: E-12ch, Screen size: WIDE, Image mode:
DYNAMIC
Adjustment: With sub focus VR (R950) on CRT drive
board, set the position so as to minimize
vertical fly-back lines at corners.
Repeating the above focus adjustment procedures (1)
and (2), adjustment so as to obtain the best focus on the
entire screen.
ADJUSTING ITEMS
AND POINTS
Focus adjustment (1)
Focus VR
Main: T461
Sub: R950
Focus adjustment (2)
R950
Focus adjustment (3)
Circuit adjustment (deflection system adjustment procedure)
No.
1
2
3